1 files changed, 6 insertions, 1 deletions
diff --git a/set/set.ha b/set/set.ha
index 2c56efe..504d716 100644
--- a/set/set.ha
+++ b/set/set.ha
@@ -33,11 +33,16 @@ export fn contains(s: set, item: size) (size | nosuchitem) = {
 	return nosuchitem;
 };
 
-// Clears all items
+// Clears all items.
 export fn clear(s: *set) void = {
 	delete(s.items[..]);
 };
 
+// Free the underlying slice.
+export fn finish(s: *set) void = {
+	free(s.items);
+};
+
 @test fn add() void = {
 	let s = set {...};
 	assert(add(&s, 1z));